Update table using SqlDataAdapter : Update « Database ADO.net « C# / C Sharp

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C# / C Sharp » Database ADO.net » UpdateScreenshots 
Update table using SqlDataAdapter


using System;
using System.Data;
using System.Data.SqlClient;

   class PropagateChanges {
      static void Main(){
         string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
         string qry = @"select * from employee ";
         string upd = @"update employee set firstname = @firstname where id = @id";

         SqlConnection conn = new SqlConnection(connString);

         try {
            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = new SqlCommand(qry, conn);

            DataSet ds = new DataSet();   
            da.Fill(ds, "employee");

            DataTable dt = ds.Tables["employee"];

            dt.Rows[0]["firstname""W";

            foreach (DataRow row in dt.Rows){
               Console.WriteLine(
                  "{0} {1}",
                  row["firstname"].ToString().PadRight(15),
                  row["lastname"].ToString().PadLeft(25));
            }

            // Update employees
            SqlCommand cmd = new SqlCommand(upd, conn);
            cmd.Parameters.Add("@firstname",SqlDbType.NVarChar,15"firstname");
            SqlParameter parm = cmd.Parameters.Add("@id",SqlDbType.Int,4,"id");
            parm.SourceVersion = DataRowVersion.Original;
            da.UpdateCommand = cmd;
            da.Update(ds, "employee");
         catch(Exception e) {
            Console.WriteLine("Error: " + e);
         finally {
            conn.Close();
         }
      }  
   }


           
       
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1.Use DataTable to update table in Database
2.Illustrates how to perform INSERT, UPDATE, and DELETE statements using ADO.NET
3.Creating Data Tables and Populating Them
4.Using Data Table Mappings
5.Update A DataSource
6.Update Data Using Commond Builder
7.Update Data Using Sql Statements 2
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